let student = require('./student');

console.log('程序开始')
///////////////////

let stu1 = new student('jim');
stu1.study();
stu1.sleep();


//const 常量
const aa = 'hello'
console.log(aa)
// aa = 'hello world'
// console.log(aa)

const bb = {
    name:'admin',
    pwd:'123456'
}
console.log(bb)
bb.pwd = '888888'
console.log(bb)

/////////////////////

console.log('程序结束')